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    <center>Scilab Function</center>
    <div align="right">Last update : April 1993</div>
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      <b>ans</b> -  answer</p>
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      <font color="blue">Description</font>
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      <tt>
        <b>ans</b>
      </tt> means "answer".
    Variable <tt>
        <b>ans</b>
      </tt> is created automatically when expressions 
    are not assigned. <tt>
        <b>ans</b>
      </tt> contains the last unassigned evaluated expression.</p>
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